* ld-elfvers/vers21.c (_old_foobar): Initialized to -1 for gcc 3.x.
* ld-elfvers/vers.exp: Add vers21. * ld-elfvers/vers21.c: New. * ld-elfvers/vers21.dsym: New. * ld-elfvers/vers21.map: New. * ld-elfvers/vers21.sym: New. * ld-elfvers/vers21.ver: New.